Current time: 0:00Total duration: 11:30

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# Common Core Standards: Ratios and proportions

Sal talks with Bill McCallum, a lead author of the Common Core Standards, about the standards for ratios and proportions.

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# Common Core Standards: Ratios and proportions

Current time: 0:00Total duration: 11:30

0 energy points

Sal talks with Bill McCallum, a lead author of the Common Core Standards, about the standards for ratios and proportions.